20145554460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{310027}}^1$

素因数の和:310080

約数の個数: 108

約数和(自身を含む): 64493884728

約数和(自身を除く): 44348330268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 361, 380, 570, 684, 722, 855, 1083, 1140, 1444, 1710, 1805, 2166, 3249, 3420, 3610, 4332, 5415, 6498, 7220, 10830, 12996, 16245, 21660, 32490, 64980, 310027, 620054, 930081, 1240108, 1550135, 1860162, 2790243, 3100270, 3720324, 4650405, 5580486, 5890513, 6200540, 9300810, 11160972, 11781026, 13951215, 17671539, 18601620, 23562052, 27902430, 29452565, 35343078, 53014617, 55804860, 58905130, 70686156, 88357695, 106029234, 111919747, 117810260, 176715390, 212058468, 223839494, 265073085, 335759241, 353430780, 447678988, 530146170, 559598735, 671518482, 1007277723, 1060292340, 1119197470, 1343036964, 1678796205, 2014555446, 2238394940, 3357592410, 4029110892, 5036388615, 6715184820, 10072777230, 20145554460]

約数ペア:

[(1, 20145554460), (2, 10072777230), (3, 6715184820), (4, 5036388615), (5, 4029110892), (6, 3357592410), (9, 2238394940), (10, 2014555446), (12, 1678796205), (15, 1343036964), (18, 1119197470), (19, 1060292340), (20, 1007277723), (30, 671518482), (36, 559598735), (38, 530146170), (45, 447678988), (57, 353430780), (60, 335759241), (76, 265073085), (90, 223839494), (95, 212058468), (114, 176715390), (171, 117810260), (180, 111919747), (190, 106029234), (228, 88357695), (285, 70686156), (342, 58905130), (361, 55804860), (380, 53014617), (570, 35343078), (684, 29452565), (722, 27902430), (855, 23562052), (1083, 18601620), (1140, 17671539), (1444, 13951215), (1710, 11781026), (1805, 11160972), (2166, 9300810), (3249, 6200540), (3420, 5890513), (3610, 5580486), (4332, 4650405), (5415, 3720324), (6498, 3100270), (7220, 2790243), (10830, 1860162), (12996, 1550135), (16245, 1240108), (21660, 930081), (32490, 620054), (64980, 310027)]